FAULT DIAGNOSIS DEVICE USING UNSUPERVISED DOMAIN ADAPTATION TECHNIQUE AND FAULT DIAGNOSIS METHOD USING THE SAME

摘要

A fault diagnosis device and a fault diagnosis method using the same, which can improve the diagnostic accuracy of unlabeled facilities by transfer learning information obtained from data of facilities with labeled information through unsupervised domain adaptation technique to provide. A failure diagnosis apparatus according to an embodiment of the present invention includes a characteristic factor extracting unit that receives source data from a source domain and target data from a target domain and extracts each characteristic factor, and the extracted characteristic factor and target of the source domain. A state classifier for obtaining a state diagnostic model in which mismatch of class distributions in the source domain and the target domain is adjusted by receiving a characteristic factor of the domain and the extracted characteristic factor of the source domain and the characteristic factor of the target domain are input; and a domain classifier that determines the convergence of the acquired state diagnosis model.